assume cs:code
stack segment
	db 8 dup(0)
	db 8 dup(0)
stack ends
code segment
start:  mov ax,stack
		mov ss,ax
		mov sp,16
		mov ax,1000
		call s
		
		mov ax,4c00h
		int 21h
		
	s:	add ax,ax
		ret
code ends
end start 